Miss. Code § 69-13-301
When a person shall find any horse, mule, jack, cattle, sheep, goat or hog straying upon his land, he may take up such animal, and, if the owner be known, he shall forthwith send the estray to the owner or notify him of the taking up of same. If the owner shall be unknown the person taking up such animal straying, shall forthwith post up a notice thereof, with a full description of the animal, in two public places in the supervisor's district, and at the courthouse door, for five days, at the expiration of which time, if an owner shall not have claimed the property and paid the charges allowed by law, he shall give information thereof to the ranger, or, if he reside more than ten miles distant, or if there should be no ranger, to a justice of the peace; and shall make oath before such justice or ranger that such animal was taken up straying at or on his farm or land, or the farm of which he has charge, and that the brands or marks of the animal have not been altered or defaced since the taking up.
Miss. Code § 69-13-301